Have you seen https://philo.gay/linecam/ and https://github.com/FlamingSpork/grindstone for the postprocessing code?
(previously on HN frontpage, and before that, at EMF Camp!)
(previously on HN frontpage, and before that, at EMF Camp!)
By the way, I recognize your username as the person that Philo credits with "rewriting grindstone in idiomatic NumPy". That's super cool!
[1] https://github.com/FlamingSpork/grindstone/issues/1
[2] https://daniel.lawrence.lu/blog/2026-06-12-standalone-cnc-li...
My plan was to experiment on the canal towpath with bicycle and basic android phone. I think I need a proper camera and the train.